cmapicom.h

Abstract—Wireless networks in combination with image sensors open up a multitude of previously unth

/*
 *	File: cmApiCom.h
 *
 *	Description:  Communications Interface header file
 */
#ifndef CMAPICOM_H
#define CMAPICOM_H

#include <stdio.h>
#include <windows.h>
#include <winbase.h>		// "file" I/O interface


// General constants
#define cmdbuf_size   20		// command and response packet size

// IOCTL constants
#define CMCOMIOCTL_TAG_DBG  1		// debug flag
#define CMCOMIOCTL_TAG_DELAY 2		// inter char delay
#define CMCOMIOCTL_TAG_BAUD  3		// baud rate on RS232
#define CMCOMIOCTL_TAG_SEND_OPT 4	// Send options 
#define CMCOMIOCTL_TAG_BREAK  5	    // Wait for Break evt before read 
#define cmcomioctl_send_opt_cr_lf 0
#define cmcomioctl_send_opt_lf_only  1

#define CMCOM_TAG_BAUDRATE 1

// Interface prototypes.

HANDLE cmComOpen (char *comName_p);
int cmComSend (HANDLE comh, unsigned char *cmd_p, int nbytes);
int cmComRecv (HANDLE comh, unsigned char *resp_p, int resp_len, int *nbytesread_p);
void cmComClose (HANDLE comh);
int cmComIoctl (int tag, int *tagval_p);
void h16toa (int n, char *buf);
void h8toa (int n, char *buf);
int cmComSet (int tag, int value);
#endif